.bg-img {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	opacity: .8;
	background-position: center center;
	background-repeat: no-repeat;
	background-attachment: fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	background-image: url('http://view.jqueryfuns.com/%E9%A2%84%E8%A7%88-/2016/12/28/ec3a7869f9764621ef6d7971263385f4/img/bg-img/bg-img-6.jpg');
}

.container {
	width: 350px;
	position: relative;
	background-color: #FFFFFF;
	box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
	position: absolute;
	top: 50%;
	left: 50%;
	margin-top: -200px;
	margin-left: -175px;
}

.cont-head {
	padding: 20px;
}

.cont-head .tlt {
	text-align: center;
	font-size: 24px;
	font-weight: 600;
	color: #2b425b;
}

.cont-main {
	padding: 20px;
}

.cont-main span {
	display: block;
	height: 40px;
	line-height: 40px;
	padding-left: 40px;
	border: 1px solid #EDEDED;
	margin: 0 0 32px;
	overflow: hidden;
	position: relative;
}

.cont-main span * {
	display: block;
	height: 100%;
	line-height: inherit;
}

.cont-main label {
	width: 40px;
	margin-left: -40px;
	font-size: 24px;
	text-align: center;
	float: left;
}

.cont-main input[type=text],
.cont-main input[type=password] {
	width: 100%;
	border: none;
	outline: none;
	text-indent: 16px;
	padding: 0;
	margin: 0;
	border-radius: 2px;
}

.cont-main input[type=submit] {
	display: block;
	width: 100%;
	height: 40px;
	line-height: 40px;
	text-align: center;
	letter-spacing: 2px;
	font-size: 14px;
	color: #FFFFFF;
	background-color: #38A0F4;
	border: none;
	border-radius: 2px;
	cursor: pointer;
}

.cont-main input[type=submit]:hover {
	background-color: #489BE3;
}

@media screen and (max-width: 1920px) {}